Quadrotor



FIG. 1 is a top perspective view of an embodiment of a quadrotor;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a front elevation view thereof; and,

FIG. 8 is a back elevation view thereof.

Objects shown in broken lines are shown for environmental purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a quadrotor, as shown and described. 